Revision [2094]
This is an old revision of Blog20080821BootChart made by BenoitAudouard on 2008-08-21 13:47:02.
- provide good looking pictures (SVG iirc)
- maybe identify why the wake of suspend does not currently work on HP compaq nc6400 (I do not know if bootchart is still active at wake up ?), see UpgradeCooker2009 too
- find some needed (?) optimizations
Playing with bootchart to enhance / visualize boot time
Check http://wiki.eagle-usb.org/wakka.php?wiki=ImproveBootTime- http://www.bootchart.org/ (and http://bootchart.sourceforge.net/)
- http://wiki.mandriva.com/en/How_to_Profile_your_Boot_Time
The results
How to
- urpmi bootchart-logger bootchart bootchart-javadoc # installs bootchart-logger-0.9-5mdv2009.0 bootchart-0.9-5mdv2009.0 bootchart-javadoc-0.9-5mdv2009.0
As told in /usr/share/doc/bootchart/INSTALL and /usr/share/doc/bootchart/README
- grub modification, just copy/paste the linux entry in /boot/grub/menu.lst adding an appropriate title and init=/sbin/bootchartd
kernel (hd0,4)/boot/vmlinuz BOOT_IMAGE=linux root=UUID=c3fd9f4d-55c6-4f2e-9fe7-e2dcb9814d9e resume=/dev/sda7 splash=silent vga=791 init=/sbin/bootchartd
initrd (hd0,4)/boot/initrd.img
- The boot process is modified to start the boot logger (/sbin/bootchartd) instead of /sbin/init. The boot logger will run in background and collect
(tmpfs). Once the boot process completes (denoted by the existence of specific processes), the log files are packaged to /var/log/bootchart.tgz.
- check /var/log/bootchart.tgz is available after booting, then type bootchart (which is a simple script calling the java -jar bootchart.jar with the appropriate java machine installed,
- AFAIC : java-1.6.0-openjdk-1.6.0.0-0.16.b11.4mdv2009.0 java-1.6.0-openjdk-devel-1.6.0.0-0.16.b11.4mdv2009.0 java-1.6.0-sun-1.6.0.06-2mdv2009.0 java-1.6.0-sun-alsa-1.6.0.06-2mdv2009.0 java-1.6.0-sun-fonts-1.6.0.06-2mdv2009.0 java-1.6.0-sun-jdbc-1.6.0.06-2mdv2009.0 java-1.6.0-sun-plugin-1.6.0.06-2mdv2009.0
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